Difference between revisions of "Bromus orcuttianus"
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|common_names=Orcutt's brome | |common_names=Orcutt's brome | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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name=Bromus orcuttianus | name=Bromus orcuttianus | ||
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|authority=Vasey | |authority=Vasey | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Calif.;Ariz.;Oreg.;Nev.;Wash. | |distribution=Calif.;Ariz.;Oreg.;Nev.;Wash. | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_295.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Bromeae | |tribe=Poaceae tribe Bromeae | ||
Latest revision as of 16:22, 11 May 2021
Plants perennial; not rhizomatous. Culms 90-150 cm, erect; nodes 2-4, pubescent or puberulent; internodes glabrous to pubescent, pilose to densely pubescent below the nodes. Basal sheaths sparingly to densely pilose, hairs 2-4 mm, occasionally glabrous; upper sheaths hairy, hairs to 1 mm, collars glabrous or pilose, hairs to 4 mm; auricles absent; ligules 1-3 mm, usually glabrous, occasionally pilose, obtuse, erose; blades 7-24 cm long, 3-12 mm wide, flat, usually glabrous, sometimes hairy. Panicles 7-13.5 cm, open; branches erect, ascending and appressed to slightly spreading. Spikelets 20-40 mm, elliptic to lanceolate, terete to moderately laterally compressed, with 3-9(11) florets. Glumes usually glabrous, occasionally scabrous or pubescent; lower glumes 5-9 mm, 1(3)-veined; upper glumes 7-11 mm, 3(5)-veined, sometimes mucronate; lemmas 9-16 mm, elliptic, rounded over the midvein, backs usually pubescent, sometimes glabrous or scabrous, margins pubescent or scabrous, apices obtuse, entire; awns (4)5.5-8 mm, straight, arising less than 1.5 mm below the lemma apices; anthers 3-5 mm. 2n = 14.
Distribution
Calif., Ariz., Oreg., Nev., Wash.
Discussion
Bromus orcuttianus grows on dry hillsides and rocky slopes, and in open pine woods and meadows in the mountains, from 500-3500 m. It is found in the western United States, including Washington, Oregon, California, Nevada, and Arizona. It is not known from Mexico.
Selected References
None.